I don't know if the code will help, if it doesn't please just
disregard it and answer my question
regards
Wojtek
2008/3/5, Wojciech Biela <[EMAIL PROTECTED]>:
> Hello
>
> This time my question is not so general.
>
> We have a big form, part of this form there is a component which
> should be a dynamic list of fields like this:
>
> |TextField| - remove
> |TextField| - remove
> |TextField| - remove
> |TextField| - add
>
> if you click "add" another row "|TextField| - remove" should appear at
> the bottom, it you should click "remove" then this row should be
> removed
>
> problem we have is that the "add" and "remove" link does not send the
> form, it only sends and ajax request to add an element to the list of
> components and it operates (target) on a DIV that wraps the whole
> list, so afterwards it renders the list again loosing values that were
> already put in
>
> what is the preferred method to do such a thing? should the add and
> remove link be a submit link with defaultFormProcessing set to false?
> or maybe should we try to save values to model objects onchange in the
> respective fields themselves
>
> isn't there a way to do it in a neat fashion?
>
> code responsible for the list component is
>
> wrapper = new WebMarkupContainer("attributes-wrapper");
> listView = new ListView("attributes", attributeValuesList) {
> public void populateItem(final ListItem listItem) {
> final AttributeValue attributeValue = (AttributeValue)
> listItem.getModelObject();
> Renderer inputRenderer =
> attributeValue.getAttribute().getInputRenderer();
> Component component = inputRenderer.getComponent(attributeValue);
> listItem.add(component);
> AjaxLink addLink = new AddLink("add-link");
> AjaxLink removeLink = new RemoveLink("remove-link", listItem);
> if (listItem.getIndex() < (listView.getViewSize() - 1)) {
> addLink.setVisible(false);
> } else {
> removeLink.setVisible(false);
> }
> listItem.add(addLink);
> listItem.add(removeLink);
> }
> };
> wrapper.setOutputMarkupId(true);
>
> HTML is
>
> <div wicket:id="attributes-wrapper" class="composit-wrapper">
> <div wicket:id="attributes" class="composit">
> <div wicket:id="attributeAndValue"
> class="composit-item"></div>
> <div class="composit-links">
> <a wicket:id="add-link">+ add</a>
> <a wicket:id="remove-link">- remove</a>
> </div>
> </div>
> </div>
>
>
> --
> Wojtek Biela
>
--
Wojtek Biela
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